In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This science fair project idea explores the different properties of matter.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Using a toy race car kids create a visual model of the Doppler Effect.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Science fair project that creates fog using bottles of hot and cold water.

This science fair project idea discovers new ways to use recycled materials and encourages new architectural design ideas.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.